{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "RNA", "DNA", "protein", "cell line"], "input": "HIV-1 proviral DNA contains two binding sites for the transcription factor NF-kappa B ."}
{"cell type": [], "RNA": [], "DNA": ["HIV-1 proviral DNA", "binding sites"], "protein": ["transcription factor", "NF-kappa B"], "cell line": []}